National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

STONYFORD (SYWC1)

Lat: 39.35523°NLon: 122.65831°WElev: 1540.0ft.

NA

48°F

9°C

Humidity 97%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 02 Jan 12:26 AM PST
Extended Forecast for

16 Miles W Williams CA

  • Overnight

    Overnight: A 40 percent chance of rain, mainly after 4am. Mostly cloudy, with a steady temperature around 48. South southeast wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 3pm. Cloudy, with a high near 52. Southeast wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain. Steady temperature around 49. South southeast wind 17 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Rain

  • Saturday

    Saturday: Rain. High near 53. South wind 16 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 46. South wind 16 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 100%.

    Low: 46 °F

    Rain

  • Sunday

    Sunday: Rain. High near 52. Chance of precipitation is 100%.

    High: 52 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 41. Chance of precipitation is 90%.

    Low: 41 °F

    Rain

  • Monday

    Monday: Rain. Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain

  • Monday Night

    Monday Night: A chance of rain, mainly before 4am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Overnight
A 40 percent chance of rain, mainly after 4am. Mostly cloudy, with a steady temperature around 48. South southeast wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely, mainly after 3pm. Cloudy, with a high near 52. Southeast wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Steady temperature around 49. South southeast wind 17 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Rain. High near 53. South wind 16 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain. Low around 46. South wind 16 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 100%.
Sunday
Rain. High near 52. Chance of precipitation is 100%.
Sunday Night
Rain. Low around 41. Chance of precipitation is 90%.
Monday
Rain. Mostly cloudy, with a high near 49.
Monday Night
A chance of rain, mainly before 4am. Mostly cloudy, with a low around 39.
Tuesday
A slight chance of rain before 10am. Partly sunny, with a high near 52.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Wednesday
A chance of rain. Partly sunny, with a high near 51.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 35.
Thursday
A chance of rain. Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W Williams CA
 39.17°N 122.43°W (Elev. 1398 ft)
Last Update:
1:21 pm PST Jan 1, 2026
Forecast Valid:
1am PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation